PHP strlen() Function Last Updated : 05 Sep, 2024 Comments Improve Suggest changes Like Article Like Report The strlen() is a built-in function in PHP which returns the length of a given string.It calculates the length of the string including all the whitespaces and special characters. Syntax:strlen($string);Parameters: This parameter represents the string whose length is needed to be returned. Return Value: The function returns the length of the $string including all the whitespaces and special characters. Example 1: The below example demonstrates the use of the strlen() function in PHP. PHP <?php // PHP program to find the // length of a given string $str = "GeeksforGeeks"; // prints the length of the string // including the space echo strlen($str); ?> Output:13Example 2: This example demonstrates the use of the strlen() function where the string has special characters and escape sequences. PHP <?php // PHP program to find the // length of a given string which has // special characters $str = "\n GeeksforGeeks Learning;"; // here '\n' has been counted as 1 echo strlen($str); ?> Output:25PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples. Comment More infoAdvertise with us C ChetnaAgarwal Follow Improve Article Tags : Misc Web Technologies PHP PHP-string PHP-function +1 More Practice Tags : Misc Similar Reads PHP addcslashes() Function The addcslashes() function is a built-in function in PHP. The addcslashes() function is used to add backslashes before some specified characters in a given string. Syntax: string addcslashes($string, $characters) Parameters: This function accepts two parameters as shown in the above syntax and are d 2 min read PHP addslashes() Function The addslashes() function is an inbuilt function in PHP and it returns a string with backslashes in front of predefined characters. It does not take any specified characters in the parameter. The predefined characters are: single quote (')double quote (")backslash (\)NULL Note: The addslashes() func 2 min read PHP bin2hex() Function The bin2hex() function in PHP converts a string to hexadecimal values. The conversion is done byte-wise with the high-nibble first. Note: It is not for converting strings representing binary digits into hexadecimal. Syntax: bin2hex($string) Parameters: This function accepts a single parameter $strin 1 min read PHP chop() Function The chop() in PHP is used to remove white spaces or any other specified characters from the end of a string. Syntax: string chop($string, $character) Parameters: This function accepts two parameters as shown in the above syntax and are described below: $string : It is used to specify the string whic 2 min read PHP chr() Function The chr() function is a built-in function in PHP and is used to convert a ASCII value to a character. It accepts an ASCII value as a parameter and returns a string representing a character from the specified ASCII value. The ASCII value can be specified in decimal, octal, or hex values. Octal values 2 min read PHP chunk_split() Function The chunk_split() function is a built-in function in PHP. The chunk_split() function is used to split a string into smaller chunks of a specific length. Syntax: string chunk_split($string, $length, $end) Parameters: This function accepts three parameters as shown in the above syntax and are describe 2 min read PHP convert_uudecode() Function The convert_uudecode() is a built in function in PHP. This function decode a uuencoded string encoded using convert_uuencode() function. The uudecode() functions makes string into printable form. Syntax: string convert_uudecode(string) Parameters: The uuencoded string which will be decoded. Return T 1 min read PHP convert_uuencode() Function The convert_uuencode() is a built-in function in PHP. The convert_uuencode() function encodes a string using the uuencode algorithm. Uuencode encoding translates all strings (including binary data) into printable characters which makes them safe for network transmissions. Syntax: String convert_uuen 1 min read PHP count_chars() Function The count_chars() is an inbuilt function in PHP and is used to perform several operations related to string like the number of an ASCII character occurs in a string. Syntax : count_chars(string,return_mode); Parameters: The count_chars() function takes two parameters string and return_mode as explai 2 min read PHP crc32() Function The crc32() function helps us to calculate a 32-bit crc or cyclic redundancy checksum polynomial for a string. The function uses the CRC32 algorithm.This function can be used to validate data integrity. However, to ensure that we get the correct string representation from the crc32() function, we ne 2 min read Like